obama face to face. >> it's unreal. i walked out of the oval office and i had to have someone pinch me. i said, i felt it. it's real. it did happen. it's really just an honor. >> reporter: it was chain's way of saying thank you to the obama campaign. chane suffered a brain tumor in 2010 while she was out of the country and uninsured. >> i started applying to every insurance plan i could, because they had to perform brain surgery to keep me alive. every plan you can think of, all of them denied me. >> reporter: in this video which she made for the obama campaign, she says the only reason she was able to get insurance for her preexisting condition was because of obamacare. >> i recovered 100% from a life- threatening brain tumor. >> reporter: chain said giving back was the least she could do as part of a day of service tradition president obama started four years ago to honor dr. martin luther king jr. >> i just wanted an opportunity to say thank you to everyone that worked so hard on the campaign. >> reporter: really a w